Nationella Prov Fysik Åk 9 !!top!! -
Explain why you can hear someone talking around a corner even though you cannot see them. Sound waves diffract (bend) around obstacles because their wavelength is comparable to the size of the obstacle. Light waves have much shorter wavelengths and diffract very little, so they travel in straight lines.
The assessment looks for more than just facts; it evaluates how you think: nationella prov fysik åk 9
Provet i fysik är ett av de tre NO-ämnena (tillsammans med biologi och kemi) där eleverna genomför prov i ett av ämnena. Det är uppdelat i flera delprov som testar olika förmågor: Explain why you can hear someone talking around
